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AutoOffsetReset

krabka_client_consumer

Enum AutoOffsetReset 

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pub enum AutoOffsetReset {
    Earliest,
    Latest,
    None,
    ByDuration(Duration),
}
Expand description

What to do when a partition has no committed offset. Kafka’s auto.offset.reset.

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Earliest

Start from the log-start offset. Consumer::poll resolves it lazily with ListOffsets(timestamp=-2), so a partition never reports offset 0 before the broker’s real log start is known.

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Latest

Start from the log-end offset. Consumer::poll resolves it lazily with ListOffsets(timestamp=-1).

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None

Do not reset automatically. On a missing committed offset, poll and position return ConsumerError::NoOffsetForPartition naming the partitions, instead of synthesizing a reset. On a detected truncation, poll returns ConsumerError::LogTruncation.

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ByDuration(Duration)

Start from the first offset whose timestamp is at or after now minus this duration (KIP-1106, by_duration:<ISO-8601 duration>). Consumer::poll resolves it with ListOffsets(timestamp).

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impl Clone for AutoOffsetReset

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Copy for AutoOffsetReset

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impl Debug for AutoOffsetReset

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Eq for AutoOffsetReset

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impl FromStr for AutoOffsetReset

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fn from_str(value: &str) -> Result<Self, Self::Err>

Parse Kafka’s auto.offset.reset values: earliest, latest, none and by_duration:<ISO-8601 duration>, as AutoOffsetResetStrategy.fromString does.

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type Err = String

The associated error which can be returned from parsing.
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impl PartialEq for AutoOffsetReset

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fn eq(&self, other: &Self) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for AutoOffsetReset

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